v3.25.2
Stock-Based Compensation (Narrative) (Details) - 2013 Equity Incentive Plan [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Stock Options [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Options expiration from date of grant     10 years  
Options expiration from termination of employment or service due to death, disability, or termination other than for cause     12 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     0  
Number of shares exercised during the period (in shares)     0 0
Unrecognized compensation expense related to outstanding stock options $ 95   $ 95  
Recognized compensation expense 10 $ 16 $ 20 $ 24
Stock Options [Member] | Minimum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Stock options fair market value (as a percent)     100.00%  
Non-Qualified Stock Options [Member] | Non-Employee Board of Director, One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   25,000    
Non-Qualified Stock Options [Member] | Non-Employee Board of Director, One [Member] | Vested on grant date        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Vesting Percentage   20.00%    
Non-Qualified Stock Options [Member] | Non-Employee Board of Director, One [Member] | Vesting on the first four anniversaries of the grant date        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Vesting Percentage   20.00%    
Unvested Restricted Stock Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Recognized compensation expense 22 $ 22 $ 43 $ 43
Number of shares granted during the period (in shares)     0 0
Unrecognized compensation expense related to outstanding restricted stock units $ 273   $ 273